We have always considered and collected these commercial masks and helmets as industries tribal art. Examples can be elegant in their simplicity or bazaar and complex. They are always unique, suprising and filled with personality.
Topler Motorised Influence Machine
This is an early spark generating machine. Because its mostly Bakelite of black hard rubber we are guessing its Early 20th Century. It's run with an electric motor and could have been for medical use.... $1200
